Waste bin



FIG. 1 is a front, top, right side perspective view of a waste bin showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top view thereof.

The bottom is unornamented and is not shown. 

The ornamental design for a waste bin, as shown and described. 